LogrobotLM

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FANUC Alarm PALL-220 — Message buffer to PC is full

FANUC PALL-220 (“Message buffer to PC is full”): More than 20 messages have not been read by PTPC. First check: Check the MOTET communication and PTPC status.

Updated 2026-08-29 · LogrobotLM reference

Description

More than 20 messages have not been read by PTPC. The communication is slow, or has stopped.

Remedy · Remède

Check the MOTET communication and PTPC status.

Frequently asked · Questions fréquentes

What does FANUC alarm PALL-220 mean?
FANUC PALL-220 (“Message buffer to PC is full”): More than 20 messages have not been read by PTPC. The communication is slow, or has stopped.
How do you troubleshoot FANUC alarm PALL-220?
Check the MOTET communication and PTPC status.

Related codes / Codes liés

PALL-216SlipSheet pos. must be cartesian representationPALL-217Position is not reachablePALL-221PTPC message type %s - illegal data receivedPALL-222PTPC command ignored, in wrong mode

Indicative field information — the robot manufacturer's manual and safety procedures always prevail. Never bypass a safety device; apply lockout/tagout (LOTO) before any physical intervention. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →